CVE-2022-34713VulnerabilityPublished 08/09/2022Updated 10/24/2026

CVE-2022-34713: Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

Affects Microsoft WindowsSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 08/09/2022
KEV deadline: 08/30/2022
EPSS: 67.8% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

Description

CVE-2022-34713 is a remote code execution vulnerability in Microsoft Windows Support Diagnostic Tool (MSDT) that can be triggered when MSDT is invoked via the URL protocol from a calling application. This vulnerability has been exploited in the wild and is considered high severity.

Summary

This vulnerability allows remote code execution when the Microsoft Windows Support Diagnostic Tool (MSDT) is called using the URL protocol from another application. An attacker can exploit this flaw to execute arbitrary code on the affected system remotely. The vulnerability has been observed in active exploitation campaigns.

Impact

Successful exploitation of this vulnerability can lead to remote code execution on affected Windows systems, potentially allowing attackers to run arbitrary code with the privileges of the calling application. This can result in full system compromise depending on the context of the exploited application.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is confirmed, users should follow any temporary mitigations recommended by Microsoft and monitor official advisories for updates.

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:05:39 UTC

References

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